Business Combination (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016
Cash consideration:
Cash consideration per Stock Purchase Agreement	$ 68,000
Net working capital and other cash consideration adjustments	3,400
Total cash consideration	71,400
Stock consideration, including Conversion Shares	82,632
Total purchase price	154,032
Current assets	42,716
Property and equipment	1,745
Goodwill	113,589	$ 72,313
Identifiable intangible assets	39,840
Other assets	166
Total assets acquired	198,056
Current liabilities	26,639
Deferred income taxes	11,903
Other long-term liabilities	5,482
Total liabilities assumed	44,024
Total purchase price	154,032
Less cash acquired	2,184	$ 2,184
Total purchase price, net of cash acquired	$ 151,848